Linear Optocoupler, High Gain Stability, Wide Bandwidth

Features

• Couples AC and DC signals

• 0.01 % Servo Linearity

• Wide Bandwidth, > 200 kHz

• High Gain Stability, ± 0.05 %/ °C

• Low Input-Output Capacitance

• Low Power Consumption, < 15 mW

• Isolation Test Voltage, 5300 VRMS, 1.0 sec.

• Internal Insulation Distance, > 0.4 mm for VDE

• Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC

Agency Approvals

• UL File #E52744

• DIN EN 60747-5-2 (VDE0884)

DIN EN 60747-5-5 pending

Available with Option 1, Add -X001 Suffix

Applications

Power Supply Feedback Voltage/Current

Medical Sensor Isolation

Audio Signal Interfacing

Isolated Process Control Transducers

Digital Telephone Isolation

Description

The IL300 Linear Optocoupler consists of an AlGaAs IRLED irradiating an isolated feedback and an output PIN photodiode in a bifurcated arrangement. The feedback photodiode captures a percentage of the LED’s flux and generates a control signal (IP1) that can be used to servo the LED drive current. This technique compensates for the LED’s non-linear, time, and temperature characteristics. The output PIN photodiode produces an output signal (IP2) that is linearly related to the servo optical flux created by the LED. The time and temperature stability of the input-output coupler gain (K3) is insured by using matched PIN photodiodes that accurately track the output flux of the LED.

Absolute Maximum Ratings

Tamb = 25 °C, unless otherwise specified Stresses in excess of the absolute Maximum Ratings can cause permanent damage to the device. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute Maximum Rating for extended periods of the time can adversely affect reliability.

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